public void UpdateSeries(string path, DateTime timestamp, float value)
{
long id = GetCounterId(path);
UpdateDatabase(id, timestamp, value);
MeasureModel newValue = new MeasureModel(timestamp, Math.Round(value, 2));
List <Series> listeners;
if (CounterListeners.TryGetValue(path, out listeners))
{
foreach (Series series in listeners)
{
IChartValues values = series.Values;
values.Add(newValue);
// Update axis limits if chart is visible
if (series.DataContext != BindingOperations.DisconnectedSource)
{
var chartItem = (ChartItem)series.DataContext;
chartItem?.SetAxisLimits(timestamp);
}
if (values.Count > maxPointsPerChart)
{
values.RemoveAt(0);
}
}
}
}
public void AddCounterListener(string path, Series series)
{
List <Series> listeners;
if (!CounterListeners.TryGetValue(path, out listeners))
{
listeners = new List <Series>();
CounterListeners.Add(path, listeners);
}
listeners.Add(series);
}
public void RemoveCounterListener(Series series)
{
foreach (var kvp in CounterListeners.ToList())
{
string path = kvp.Key;
List <Series> listeners = kvp.Value;
listeners.Remove(series);
if (!listeners.Any())
{
CounterListeners.Remove(path);
}
}
}
public string FindSeries(Series series)
{
return(CounterListeners.Where(kvp => kvp.Value.Contains(series)).Select(kvp => kvp.Key).First());
}
